I've then connected that to a couple of bookshelf speakers, and a Sony SA-CS9 subwoofer via the high-level inputs. The problem is that my sub won't wake up at normal listening levels. I have to turn ...

At $699, the Acoustic Energy AE Sub is 12-inch subwoofer packing 250-watts of power with low bass extension down to 26Hz. The AE100 MK2 was positively reviewed by EIC Ian White, along with the ...